Encased in a well made plastic box measuring 9 by 3 1/2 by 5 1/2 inches and weighing 2 pounds, this is a great practice tool for students of North Indian music. It features 60 thekas in 30 tals, that can be played at any speed and any pitch. It can be programmed and will remember 2 programmed tals. Plugged in, it will work on any voltage from 90-250Z. It also works on batteries. It has a line out and a speaker out and can be synched with the Sunadamala Lahara machine.